def test_g_solve(self): """ Tests :func:`colour_hdri.calibration.debevec1997.g_solve` definition. """ image_stack = ImageStack.from_files(JPG_IMAGES) L_l = np.log(average_luminance(image_stack.f_number, image_stack.exposure_time, image_stack.iso)) samples = samples_Grossberg2003(image_stack.data) for i in range(3): g, lE = g_solve(samples[..., i], L_l) # Lower precision for unit tests under *travis-ci*. np.testing.assert_allclose( g[0:-2], np.load(os.path.join( CALIBRATION_DIRECTORY, 'test_g_solve_g_{0}.npy'.format(i)))[0:-2], rtol=0.001, atol=0.001) # Lower precision for unit tests under *travis-ci*. np.testing.assert_allclose( lE[1:], np.load(os.path.join( CALIBRATION_DIRECTORY, 'test_g_solve_lE_{0}.npy'.format(i)))[1:], rtol=0.001, atol=0.001)
def test_g_solve(self): """ Tests :func:`colour_hdri.calibration.debevec1997.g_solve` definition. """ image_stack = ImageStack.from_files(JPG_IMAGES) L_l = np.log(1 / average_luminance( image_stack.f_number, image_stack.exposure_time, image_stack.iso)) samples = samples_Grossberg2003(image_stack.data) for i in range(3): g, lE = g_solve(samples[..., i], L_l) # Lower precision for unit tests under *travis-ci*. np.testing.assert_allclose( g[0:-2], np.load( os.path.join(CALIBRATION_DIRECTORY, 'test_g_solve_g_{0}.npy'.format(i)))[0:-2], rtol=0.001, atol=0.001) # Lower precision for unit tests under *travis-ci*. np.testing.assert_allclose( lE[1:], np.load( os.path.join(CALIBRATION_DIRECTORY, 'test_g_solve_lE_{0}.npy'.format(i)))[1:], rtol=0.001, atol=0.001)
def test_samples_Grossberg2003(self): """ Tests :func:`colour_hdri.sampling.grossberg2003.\ samples_Grossberg2003` definition. """ np.testing.assert_almost_equal( samples_Grossberg2003(ImageStack.from_files(JPG_IMAGES).data), np.load( os.path.join(SAMPLING_DIRECTORY, 'test_samples_Grossberg2003.npy')), decimal=7)
def test_samples_Grossberg2003(self): """ Tests :func:`colour_hdri.sampling.grossberg2003.\ samples_Grossberg2003` definition. """ np.testing.assert_almost_equal( samples_Grossberg2003(ImageStack.from_files(JPG_IMAGES).data), np.load(os.path.join( SAMPLING_DIRECTORY, 'test_samples_Grossberg2003.npy')), decimal=7)